from django.template import Library


register = Library()

@register.simple_tag
def user_space(size):

    if size>=1024*1024*1024:
        return '%.2f GB'% (size/(1024*1024*1024))
    elif size>=1024*1024:
        return '%.2f MB'% (size/(1024*1024))
    elif size>=1024:
        return '%.2f KB'% (size/1024)
    else:
        return '%d B' % size

